Because of my prevailing situation, I wouldn’t be able to practice daily with regular golf balls. I can practice at home only by hitting practice balls into a net about six feet in front of me. Although they are very lightweight, when I hit these balls solidly, they fly off the clubface with an audible “wop,” making a satisfying distortion of the net. Whiffle-type balls don’t do this. Great swing practice for groving my swing!